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hich引導定語從句時先行詞是物,which在從句中作主語或賓語;what不能用來引導定語從句。本句的先行詞是hitech products高科技產(chǎn)品,指物,用which來引導,故答案為B。【點睛】在定語從句中,關系代詞所代替的先行詞是人或物的名詞或代詞,并在句中充當主語、賓語、定語等成分。關系代詞在定語從句中作主語時,從句謂語動詞的人稱和數(shù)要和先行詞保持一致。1) who, whom, that這些詞代替的先行詞是人的名詞或代詞,在從句中所起作用如下:Is he the man who/that wants to see you? 他就是想見你的人嗎?(who/that在從句中作主語)He is the man whom/ that I saw yesterday. 他就是我昨天見的那個人。(whom/that在從句中作賓語)2) whose 用來指人或物,(只用作定語, 若指物,它還可以同of which互換),例如:They rushed over to help the man whose car had broken down. 那人車壞了,大家都跑過去幫忙。3) which, that 它們所代替的先行詞是事物的名詞或代詞,在從句中可作主語、賓語等。關系副詞可代替的先行詞是時間、地點或理由的名詞,在從句中作狀語。關系副詞when, where, why的含義相當于介詞+ which結構,因此常常和介詞+ which結構交替使用,例如:Beijing is the place where (in which) I was born. 北京是我的出生地。14.Have you found the information about famous scientists you can use for the report?A.where B.which C.what D.who【答案】B【解析】句意:你找到了你在報告中可以使用的關于那些著名科學家的信息了嗎?where在哪里,表示地點;which引導定語從句,先行詞應該是物;what什么,不能引導定語從句;who引導定語從句,先行詞是人。這里考查的是定語從句,先行詞并不是空前的famous scientists,而是the information,指代的是物,故應選B。15.﹣Look!This is the photo I took in Beijing World Gardening Expo(世界園藝博覽會)in 2019.﹣Wow,so great!A.what B.who C.where D.that【答案】D【解析】【詳解】句意:—看!這是我2019年在北京世界園藝博覽會拍的照片。考查定語從句的關系代詞,what不用在定語從句中,who先行詞為人,在從句中作主語或者賓語,where先行詞為地點,在從句中作狀語,that先行詞為人或物,在從句中做主語或賓語,the photo為先行詞,從句中缺賓語,句意理解為﹣﹣看!這是我2019年在北京世界園藝博覽會上拍的照片.﹣﹣哇,很不錯.故選D。16.We all enjoy reading the story _______ has a happy ending.A.who B.whom C.that D.what【答案】C【解析】【詳解】句意:我們都喜歡讀有一個幸福結局的故事。這里是定語從句,先行詞是the story,是物,關系詞用that和which, 先行詞是人用who來引導。先行詞是人,關系詞whom在句中作賓語。根據(jù)題意,故選C?!军c睛】當關系代詞指人時,關系代詞既可用who,.,people,:Those who are for my plan ,please put up your .Persons who are quarrelsome are .,one,all,any,they等時,例如:He who has not reached the Great Wall isn39。t a true .All who had seen this film were .:I want him,who knows some English and ,他懂得些英語和法語.I will pardon you,who are ,你是誠實的.,:I think it is you who should e here .It is he who can do this .::She is not the woman that she used to .China is not the cou